23700231 has 6 divisors (see below), whose sum is σ = 34233680. Its totient is φ = 15800148.

The previous prime is 23700223. The next prime is 23700247. The reversal of 23700231 is 13200732.

It is not a de Polignac number, because 23700231 - 2³ = 23700223 is a prime.

It is a super-2 number, since 2×23700231² = 1123401898906722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23700211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1316671 + ... + 1316688.

Almost surely, 2^23700231 is an apocalyptic number.

23700231 is a deficient number, since it is larger than the sum of its proper divisors (10533449).

23700231 is a wasteful number, since it uses less digits than its factorization.

23700231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2633365 (or 2633362 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 23700231 is about 4868.2883028843. The cubic root of 23700231 is about 287.2439297733.

Adding to 23700231 its reverse (13200732), we get a palindrome (36900963).

The spelling of 23700231 in words is "twenty-three million, seven hundred thousand, two hundred thirty-one".